<form id="my-form" action="submit.php" method="post">
<label for="text1" class="label label-warning" style="width:200px">url for first input</label>
<textarea id="text1" name="url1"></textarea>
<label for="text2" class="label label-warning" style="width:200px">url second input</label>
<textarea id="text2" name="url2"></textarea>
<p>Note:foramt of url is "http://..."</p>
<br/>
<label class="label label-info" for="topk" style="width:275px">Enter the value for K for top k frequency analyze</label>
<input name="k" id="topk"/>
<input type="hidden" name="type" value="3"/>
</form>    	
<button class="btn btn-warning" style="float: right" onClick="submit()">submit</button>